B. 30% is the better deal
.3x12=3.6 
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 Answer:
95% Confidence interval:  (31.32%,47.04%) 
Step-by-step explanation:
We are given the following in the question:
Sample size, n = 148
Number of people who sleep for 8 hours or longer, x = 58
 
95% Confidence interval:
 
 
Putting the values, we get:
 
(31.32%,47.04%)  is the required 95% confidence interval.
 
        
             
        
        
        
This is not a complete question i cannot help.... Sorry about that! If you would like to revise the question i would be happy to help.
        
             
        
        
        
Answer:
Bran to blueberry ---- 4:1
banana nut to bran ---- 1 to 2
total to corn ---- 12 muffins to 5 muffins
bran to total ---- 1/3
Step-by-step explanation:
 
        
             
        
        
        
Answer:
z = -166
Step-by-step explanation:
1. Subtract 3 from both sides to get z/2 = -83
2. Multiply 2 by both sides to get z = -166
z = -166